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The ghost of a dying star — the Southern Owl Nebula

This extraordinary bubble, glowing like the ghost of a star in the haunting darkness of space, may appear supernatural and mysterious, but it is a familiar astronomical object: a planetary nebula, the remnants of a dying star. This is the best view of the little-known object ESO 378-1 yet obtained and was captured by ESO’s Very Large Telescope in northern Chile.

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“Solar Prominence” by Gary Palmer

Nomination number five from the prestigious Insight Astronomy Photographer of the Year competition, an annual celebration of the most beautiful and spectacular visions of the cosmos by astrophotographers worldwide. Now in its seventh year, the 2015 competition received 2700 spectacular entries from over 60 countries and the winners will be announced 17 September.

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“Thor’s Helmet” by Adam Block

Our fourth nomination from the prestigious Insight Astronomy Photographer of the Year competition, an annual celebration of the most beautiful and spectacular visions of the cosmos by astrophotographers worldwide. Now in its seventh year, the 2015 competition received 2700 spectacular entries from over 60 countries and the winners will be announced 17 September.

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“Aurora Panorama 3” by Jan R. Olsen

Our third nomination from the prestigious Insight Astronomy Photographer of the Year competition, an annual celebration of the most beautiful and spectacular visions of the cosmos by astrophotographers worldwide. Now in its seventh year, the 2015 competition received 2700 spectacular entries from over 60 countries and the winners will be announced 17 September.

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New Hubble view of the Lagoon Nebula

This new NASA/ESA Hubble Space Telescope image shows the Lagoon Nebula (Messier 8) an object with a deceptively tranquil name. The region is filled with intense winds from hot stars, churning funnels of gas, and energetic star formation, all embedded within an intricate haze of gas and pitch-dark dust.

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New global map of Pluto

The science team of NASA’s New Horizons mission has produced an updated global map of dwarf planet Pluto that includes all resolved images of the surface acquired 7-14 July 2015, up to 400 metres/pixel resolution. Many additional images are expected in autumn 2015 and these will be used to complete the global map.

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“Comet Lovejoy C/2014 Q2” by Michael Jaeger

Our second nomination from the prestigious Insight Astronomy Photographer of the Year competition, an annual celebration of the most beautiful and spectacular visions of the cosmos by astrophotographers worldwide. Now in its seventh year, the 2015 competition received 2700 spectacular entries from over 60 countries and the winners will be announced 17 September.

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The long goodbye of a dying star

A dying star’s final moments are captured in this image of planetary nebula NGC 6565 in Sagittarius from the NASA/ESA Hubble Space Telescope. The death throes of this star may only last mere moments on a cosmological timescale, but this star’s demise is still quite lengthy by our standards, lasting tens of thousands of years.